Alpha Innovations Jaw Jacker

85% infill recommended, printed with ABS. Close model of the one George Matheis (Modern Combatives System) designed for Alpha Innovations, only I optimized it a bit for 3D printing namely a tad thicker webs and a better palm swell for those with less meaty hands. FWIW plastic knuckles are LEGAL in Canada (where I reside) as per this CBSA document (it is YOUR responsibility to confirm legality in your country of residence, I cannot be held responsible): http://www.cbsa-asfc.gc.ca/publications/dm-md/d19/d19-13-2-eng.html#a4x2   46. Brass knuckles can be combined with other weapons such as knives. These ‘brass knuckles knives' consist of two parts: a knife blade, and brass knuckles integrated into the handle. The blade part does not generally possess characteristics that would make it fall under the definition of prohibited weapon. Rather, it is the brass knuckles handle that will usually determine the knife's classification as a prohibited weapon. In order for the knife to be proh